On a locked ward in the world’s highest-security prison hospital for the criminally insane, a nurse has been murdered and her newborn baby kidnapped. A ransom must be paid, and the clock is ticking. Forensic profiler Dr Connie Woolwine is renowned for her ability to get inside the mind of a murderer. Now she must go deep undercover among the most deranged and dangerous men on earth, and use her unique skills to find the baby–before it’s too late.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

Starting a new life in Snowdonia was always DI Ruth Hunter's dream. Until a twisted killer turned it into her worst nightmare. Detective Inspector Ruth Hunter lives with the pain of her partner’s mysterious and unsolved disappearance. About to hit 50, the veteran police officer trades in the crime-ridden streets of London for a more peaceful life in rural North Wales. But Ruth has barely settled into her new position in North Wales Police, when the body of a brutally murdered woman is discovered...with strange symbols carved into her skin.

When the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

When a young boy discovers the body of a woman beneath a thick sheet of ice in a South London park, Detective Erika Foster is called in to lead the murder investigation. The victim, a beautiful young socialite, appeared to have the perfect life. Yet when Erika begins to dig deeper, she starts to connect the dots between the murder and the killings of three prostitutes, all found strangled, hands bound, and dumped in water around London.

Haunted by his inability to track down and save his missing wife, DCI Robert Kett leaves the Metropolitan Police behind and moves to Norwich with his three young children, hoping to heal their broken family. But his newfound peace doesn’t last. Two newspaper delivery girls have gone missing in the city, and the clues point to a serial kidnapper. Kett is dragged into the centre of one of the darkest cases of his career - a case that pits him head-to-head against a horrifying evil.

On a remote Highland mountain, the body of Elaine Buxton is burning. All that will be left to identify the respected lawyer are her teeth and a fragment of clothing. In the concealed back room of a house in Edinburgh, the real Elaine Buxton screams into the darkness…. Detective Inspector Luc Callanach has barely set foot in his new office when Elaine’s missing persons case is escalated to a murder investigation. Having left behind a promising career at Interpol, he’s eager to prove himself to his new team.

Thom and Wendy Graves have been married for over twenty-five years. They live in a beautiful Victorian on the north shore of Massachusetts. Wendy is a published poet and Thom teaches English literature at a nearby university. Their son, Jason, is all grown up. All is well…except that Wendy wants to murder her husband.

When Victoria Davies was pushed off her stately home's roof in 2001, all evidence pointed to her husband Michael. But now, 20 years later a letter has appeared, written by Victoria before her death; a letter that was never received, and a letter that brings new suspects into the fray; Labor MPs Shaun Donnal, Andrew MacIntyre, and Charles Baker.

Elspeth, Meggy and Xavier are locked in a flat. They don’t know where they are, and they don’t know why they’re there. They only know that the shadow man has taken them, and he won’t let them go. Desperate to escape, the three of them must find a way out of their living hell, even if it means uncovering a very dark truth. Because the shadow man isn’t a nightmare. He’s all too real.

A down-on-her-luck waitress at a posh New Jersey country club, Kim Valva couldn’t be living a more different life from the carefree socialites she serves. Her live-in boyfriend recently cheated on her, her social life is in shambles, and her dog needs a life-saving surgery that she can’t afford. Then her luck seems to change when a mysterious figure identifying themself only as The Stranger contacts her with an offer she can’t refuse: Put a pill in the new member’s drink and, when he dies, she’ll have enough money to fix her dog and her life.

It's DS Logan McRae's first day back on the job after a year off on the sick, and it couldn't get much worse. Three-year-old David Reid's body is discovered in a ditch: strangled, mutilated and a long time dead. And he's only the first. There's a serial killer stalking the Granite City, and the local media are baying for blood. Soon the dead are piling up in the morgue almost as fast as the snow on the streets, and Logan knows time is running out. More children are going missing. More are going to die.

Detective Bobbie Gentry has one objective: to stop the serial killer who robbed her of her husband, her child, and her life. Nick Shade understands Bobbie's pain - and her desire for vengeance. He's on a mission of his own, and the murderer known as the Storyteller is next on his list. Nick knows that the best way to find his target is to stick close to Bobbie. But as she becomes more and more reckless in her attempts to lure the Storyteller out of hiding, he has to make a choice.

On the day she returns to active duty with the Serial Crimes Unit, Detective Inspector Anjelica Henley is called to a crime scene. Dismembered body parts from two victims have been found by the river. The modus operandi bears a striking resemblance to Peter Olivier, the notorious Jigsaw Killer, who has spent the past two years behind bars. When he learns that someone is co-opting his grisly signature - the arrangement of victims’ limbs in puzzle-piece shapes - he decides to take matters into his own hands.

Dan Garvie’s life has been haunted by the crime he witnessed as a child—narrowly escaping an encounter with a notorious serial killer. He has dedicated his life since to becoming a criminal profiler, eager to seek justice for innocent victims. So when his father passes away under suspicious circumstances, Dan revisits his small island community, determined to uncover the truth about his death. Is it possible that the monster he remembers from his childhood nightmares has returned after all these years?

On a locked ward in the world’s highest-security prison hospital for the criminally insane, a nurse has been murdered and her newborn baby kidnapped. A ransom must be paid, and the clock is ticking. Forensic profiler Dr Connie Woolwine is renowned for her ability to get inside the mind of a murderer. Now she must go deep undercover among the most deranged and dangerous men on earth, and use her unique skills to find the baby–before it’s too late.

On a remote Highland mountain, the body of Elaine Buxton is burning. All that will be left to identify the respected lawyer are her teeth and a fragment of clothing. In the concealed back room of a house in Edinburgh, the real Elaine Buxton screams into the darkness…. Detective Inspector Luc Callanach has barely set foot in his new office when Elaine’s missing persons case is escalated to a murder investigation. Having left behind a promising career at Interpol, he’s eager to prove himself to his new team.

Elspeth, Meggy and Xavier are locked in a flat. They don’t know where they are, and they don’t know why they’re there. They only know that the shadow man has taken them, and he won’t let them go. Desperate to escape, the three of them must find a way out of their living hell, even if it means uncovering a very dark truth. Because the shadow man isn’t a nightmare. He’s all too real.

DI Sheridan Holler is used to solving crimes on Liverpool’s streets, but after a decayed corpse turns up in a cemetery, she finds herself reopening not one but two cold cases. Seven years earlier, two women were gunned down and the only suspect, small-time drug dealer John Lively, was never seen again. Case closed. Until the body in the cemetery is identified as his.

In search of a new life, 16-year-old Adriana Clark’s family moves to the ancient ocean-battered Isle of Mull, far off the coast of Scotland. Then she goes missing. Faced with hostile locals and indifferent police, her desperate parents turn to private investigator Sadie Levesque. Sadie is the best at what she does. But when she finds Adriana’s body in a cliffside cave, a seaweed crown carefully arranged on her head, she knows she’s dealing with something she’s never encountered before.

Nancy North is ready to put her life back together. After suffering a psychotic break that ruined friendships, stalled her fledgling restaurant, and forced her to move out of her comfortable flat, she’ll do anything to get back to normal. She and her partner Felix—who has been a saint through her recent troubles—move into a new flat for a fresh start. Nancy is taking her pills, seeing her therapist, and avoiding unnecessary stress. She’s doing absolutely everything right, but something is still very, very wrong. On the first day in the new flat, she hears them again.

Five serial killers. Known only to each other as: Alpha. Bravo. Charlie. Delta. Easy. Connected through a secure internet location, encrypted and concealed, a unique chat room they have named Jack’s Special Place in homage to their ultimate model—the one killer they hold in the highest esteem: Whitechapel, London. 1888. The infamous murderer remembered in dark history as Jack the Ripper. And so, they are Jack’s Boys. They delight in each other’s crimes. They relish in taunting police around the world with odd clues and deep confusion—the modern version of the Victorian-era killer they emulate.

Your daughter isn't answering your calls. She's not replying to your messages. You rush to her house. She's slumped in the basement, dying and alone. You desperately call for help. She whispers a single word. Someone is keeping secrets. And it must be someone you know.

On the surface, Delilah Reddick’s life looks perfect. Her husband is a pillar of the community, and with her as his quietly supportive wife, they appear to be the picture of success and happiness. But there are deep cracks in the foundation, dark secrets Delilah has never shared with anyone. Delilah knows what her husband is capable of when the evil inside him finds its way to the surface. In her quest to save her son, Delilah sets off a chain of events that could rock the community and reveal the darkest secret of them all.

In their home in southern Louisiana, Iris and her husband Joseph were both shot point-blank in the head by an unknown assailant. She wakes with her memory fractured. She doesn't remember her husband's family, eager as they are to take her into their world of marble, maids, and prim Southern manners.

Hogmanay. New Year's Eve. A dead teenager, another missing. One hell of a case. Meet DS Vicky Dodds. Settling down for a nice Hogmanay with her daughter and her best friend, a phone call pulls DS Vicky Dodds into work and to a deadly new case. A teenage girl, her body cooling in a cold, dark supermarket car park. Found next to her friend’s car, but the driver’s missing too — has the killer taken her? Or is she the killer?

What began as a weekend fishing trip, turns into the fight of his life when lawyer Ben Carter finds a young boy alone on the side of a road in upstate New York. Quickly linking the boy to a murder scene more than a hundred miles away, the pair travel to nearby Pittsburgh, where a mystery thrusts them both into the fight of their lives.

All Ruby wanted was a fresh start. But after an early retirement and a relocation to a tight-knit community with her husband, Tom, and her daughter, Lily, her new beginning takes a turn. First her troubled daughter and then her husband disappear without a trace. Unsure how to cope, grief-ridden Ruby turns to her neighborhood friends to find a way forward with new hobbies, including a murder club where they try to solve cold cases. But just as unexpectedly as her family vanished, a body floats to the surface of the nearby lake.

Theo Benton decides to move to the United States to finally finish her novel, and she is soon drawn into a literary labyrinth where identity is something that can be lost and remade for the sake of sales and readership. When her mentor and lover is brutally murdered, Theo wants the killer to be found and justice to be served. But when the prime suspect turns out to be her older brother, Gus, Theo does what is necessary to protect him—to save him. Then she disappears.

Meg Russo was behind the wheel when it happened. She and her husband Justin were driving their daughter Lily to Ithaca College, the family celebrating the eighteen-year-old music prodigy’s future. Then a car swerved up beside them, the young men inside it behaving bizarrely—and Meg lost control of her own vehicle. The family road trip turned into a tragedy. Justin didn’t survive the accident.